CN109048426B - Flange positioning and clamping mechanism of waveguide device and milling method of flange choke groove - Google Patents
Flange positioning and clamping mechanism of waveguide device and milling method of flange choke groove Download PDFInfo
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- CN109048426B CN109048426B CN201811148570.XA CN201811148570A CN109048426B CN 109048426 B CN109048426 B CN 109048426B CN 201811148570 A CN201811148570 A CN 201811148570A CN 109048426 B CN109048426 B CN 109048426B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
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Abstract
The invention discloses a flange positioning and clamping mechanism of a waveguide device and a milling method of a flange choke groove, belonging to the field of machining equipment. The positioning and clamping mechanism has the advantages of compact structure, convenient operation, simple flange clamping method and choke groove processing method, high flange positioning and clamping stability, difficulty in deviation or vibration of the flange in the processing process, improvement of processing precision and processing efficiency of the choke groove, avoidance of possible processing errors or processing burrs, reduction of deformation and damage of processing equipment, and better use value and popularization value.
Description
Technical Field
The invention belongs to the field of machining equipment, and particularly relates to a flange positioning and clamping mechanism of a waveguide device and a milling method of a flange choke groove.
Background
In the fields of radio communication, radar, navigation and the like, a rectangular waveguide device is widely applied, is usually formed by welding a metal pipe with a hollow rectangular cross section and a smooth inner wall and a flange, is a basic device capable of transmitting ultrahigh frequency electromagnetic waves and transmitting pulse signals to a destination with extremely low loss, and can be divided into an E-bend waveguide, an H-bend waveguide, a twisted waveguide and the like according to the difference of structural forms, and can be divided into a microwave waveguide device, a millimeter wave waveguide device, a submillimeter wave waveguide device and the like according to the working wavelength band of the device.
In the application process of the waveguide device, a plurality of devices are required to be correspondingly connected and used, the connection of two adjacent waveguide devices is realized by corresponding connection of flanges, the connection of the flanges is divided into flat flange connection and choking flange connection, wherein the flat flange connection is a mechanical contact method for directly connecting two flat flanges, and the flange connection has the advantages of simple structure, small volume, convenient processing, wide frequency band and the like, but the flat flange connection has higher requirement on the smoothness of a contact surface, otherwise, the contact is not tight, and the electromagnetic radiation is easy to generate, so the waveguide device is suitable for the application environment of low-power and wide-band; in the latter, a choke groove with a certain size is arranged on the connecting end surface of the flange, so that a current anti-node can be formed at the butt joint part when the flange is connected, and the waveguide connection part can be in good electric contact even if the contact is poor.
At present, a millimeter wave waveguide device is frequently applied to waveguide devices, the millimeter wave waveguide device is often connected through a choke flange, the structure size is small, and the size of a corresponding flange and a choke groove on the flange is also small, so that the processing difficulty of the millimeter wave waveguide device is large.
Generally speaking, for the choke groove with the width of 0.4mm or less and the depth of 2.27mm or more, high-speed milling is often adopted due to the limitation of a turning tool and the processing precision, and in general, the waveguide device is often processed by processing the choke groove on a flange and then brazing with a metal pipe, and although the processing of the waveguide device can be realized to a certain degree by the method, the requirements of the shape and the size precision of parts cannot be ensured; meanwhile, after the choke plane is machined, a large number of burrs exist in the choke notch and cannot be removed, so that the normal work of the choke groove is influenced; therefore, in order to ensure the precision of parts and the use requirement, the choke groove of the millimeter wave waveguide device is often processed after welding. However, due to the structural limitations of the clamping space and the alignment device of the existing milling machine tool, the precise clamping of the waveguide device flange is difficult to realize, and the phenomenon of unreliable clamping and vibration often exists due to the over-small size of the part, so that the machining deformation, the cutter fracture or the machining over-tolerance and the scrapping are caused, and unnecessary loss is caused.
Disclosure of Invention
Aiming at one or more of the defects or the improvement requirements in the prior art, the invention provides a flange positioning and clamping mechanism of a waveguide device and a milling method of a flange choke groove, wherein the stable clamping of the waveguide device is effectively realized by arranging a top plate capable of stably clamping a flange of the waveguide device, the displacement of the flange in the process of processing the choke groove is avoided, and the processing precision of the choke groove is ensured.
In order to achieve the above object, in one aspect of the present invention, there is provided a flange positioning and clamping mechanism for a waveguide device, wherein,
the waveguide device comprises a top plate and a bottom plate which are arranged in parallel, wherein the two plates are correspondingly spliced and connected into a frame structure capable of containing the waveguide device through two oppositely arranged side plates;
the end face, opposite to the bottom plate, of the top plate is provided with a positioning groove with a certain depth, the bottom of the positioning groove is correspondingly provided with a limiting groove, and the limiting groove is arranged corresponding to a flange at the end part of the waveguide device, so that the flange can be correspondingly accommodated in the limiting groove and is abutted against the bottom of the limiting groove by the flange face of the choke groove to be processed; and is
A plurality of limiting assemblies are arranged in the positioning groove corresponding to the flange, and can abut against the end surface of one side of the flange, which is far away from the flange surface, and tightly press the flange in the limiting groove; and
and a processing hole penetrating through the end face of the other side of the top plate is coaxially formed in the limiting groove, so that a cutter for processing the choke groove can correspondingly penetrate through the processing hole and acts on the end face to be processed of the flange, and then the processing of the choke groove is completed.
As a further improvement of the present invention, the position-limiting groove and the positioning groove are coaxially arranged, that is, a central line of the position-limiting groove coincides with a central line of the positioning groove.
As a further improvement of the present invention, the limiting assembly includes a pressing plate and a locking member, and the pressing plate may abut against an end surface of the flange at one side end thereof and be locked by the locking member.
As a further improvement of the invention, the pressing plate is in an L-shaped plate structure and comprises a pressing end and a locking end which are perpendicular to each other, the pressing end is perpendicular to the end surface of the flange and can abut against the end surface of the flange, the locking end is parallel to the end surface of the flange, a through hole is formed in the locking end corresponding to the locking piece, correspondingly, a plurality of mounting holes are formed in the groove bottom of the positioning groove corresponding to the through hole, and the locking piece can pass through the through hole and is connected in the corresponding mounting hole in a matching manner.
As a further improvement of the invention, the top plate and the two side plates are correspondingly connected through a plurality of connecting pieces, and the connecting pieces can be freely disassembled so as to realize the quick connection or separation of the top plate and the two side plates.
As a further improvement of the invention, the limiting groove is a square groove, and correspondingly, the outer contour of the flange is square.
As a further improvement of the invention, the depth of the limiting groove is not more than the thickness of the flange.
As a further improvement of the invention, the positioning groove is a square groove.
In another aspect of the present invention, a milling method for a flange choke groove of a waveguide device is provided, which is implemented by using a flange positioning and clamping mechanism of the waveguide device and a milling machine tool, wherein the flange positioning and clamping mechanism can be correspondingly fixed on a processing platform of the milling machine tool, and a processing tool of the milling machine tool can align with a flange surface and then complete milling of the choke groove;
the choke groove of the flange comprises the following processing steps:
s1: assembling the flange positioning and clamping mechanism on the milling machine tool, and adjusting the level of the top plate;
s2: correspondingly accommodating a waveguide device to be processed into the choke groove into the positioning groove, and fastening and positioning the flange embedded into the limiting groove by using a plurality of limiting components;
s3: determining the center of a waveguide port of the flange, namely determining the center position of a flange surface;
s4: and controlling the feed of the processing cutter and finishing the milling processing of the choke groove.
As a further improvement of the invention, the waveguide device is finished with the flange surface before the choke groove is processed, i.e. the thickness of the flange is processed to the required dimension.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
(1) the flange positioning and clamping mechanism of the waveguide device is provided with the frame-shaped clamping mechanism consisting of the top plate, the bottom plate and the side plates, and the top plate is sequentially provided with the positioning groove, the limiting groove and the machining hole, so that a flange to be machined can be correspondingly embedded into the limiting groove, the surface of the flange to be machined is aligned with the machining hole, and then the flange is fastened by the limiting component in the positioning groove, thereby effectively realizing the positioning and clamping of the flange of the waveguide device, avoiding the deviation or vibration of the flange in the machining process of the choke groove, reducing the machining error of the choke groove and the deformation and damage of a machining cutter, and improving the machining precision and efficiency;
(2) according to the flange positioning and clamping mechanism of the waveguide device, the limiting assembly consisting of the pressing plate and the locking piece is arranged, so that the flange is effectively compressed and positioned in the limiting groove, the setting form of the limiting assembly is simple, the operation is convenient and fast, the limiting stability is good, the reliability is high, the accuracy of the position of the flange in the processing process of the choke groove is fully ensured, and the damage or deformation of a cutter caused by the displacement of the flange is reduced;
(3) according to the flange positioning and clamping mechanism of the waveguide device, the shape and the size of the limiting groove are preferably set, so that the flange can be just accommodated in the limiting groove, the displacement and the vibration of the flange in the accommodating groove are avoided, the processing precision is improved, the alignment and fixing processes of the flange are simplified, and the processing efficiency of the choke groove is improved;
(4) according to the flange positioning and clamping mechanism of the waveguide device, the top plate is arranged in a form capable of being rapidly assembled and disassembled with the two side plates, and the top plates with the limiting grooves of different sizes are correspondingly arranged, so that the top plate on the flange positioning and clamping mechanism can be rapidly replaced, the flange positioning and clamping mechanism is suitable for processing flanges of various specifications and forms, the compatibility and the application range of the flange positioning and clamping mechanism are greatly improved, and the processing cost of a choke groove is reduced;
(5) according to the method for processing the flange choke groove of the waveguide device, the choke groove is processed on the flange end face after the flange face is processed, and the end face of the flange does not need to be processed after the choke groove is processed, so that a large number of burrs possibly formed in the choke groove are reduced, the normal performance of the function of the choke groove is ensured, and the application stability of the waveguide device is improved;
(6) the flange positioning and clamping mechanism of the waveguide device and the milling method of the flange choke groove have the advantages that the structure of the clamping mechanism is compact, the operation is convenient, the clamping method of the flange and the processing method of the choke groove are simple, the flange positioning and clamping mechanism can be directly used for processing the choke groove of the brazed waveguide device, the stability and the accuracy of the flange positioning and clamping are high, the offset or the vibration is not easy to generate in the processing process, the processing precision and the processing efficiency of the choke groove are improved, the processing error or the processing burr which possibly occurs in the traditional processing process is avoided, the deformation and the damage of processing equipment are reduced, the normal use of the waveguide device is ensured, and the flange positioning and clamping mechanism has better use value and popularization value.
Drawings
FIG. 1 is a schematic overall structure diagram of a flange positioning and clamping mechanism of a waveguide device in an embodiment of the invention;
FIG. 2 is a schematic top and side plate view of a flange positioning fixture of a waveguide device in an embodiment of the present invention;
fig. 3 is a schematic view of the entire structure of the millimeter wave waveguide device in the embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1. the structure comprises a top plate, 101 positioning grooves, 102 limiting grooves, 103 machining holes and 104 mounting holes; 2. the locking device comprises a bottom plate, 3 side plates, 4 limiting assemblies, 401 pressing plates and 402 locking pieces; 5. connector, 6 waveguide device, 601 flange, 602 metal tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The flange positioning and clamping mechanism for the waveguide device in the preferred embodiment of the present invention is configured based on an existing milling machine tool, so as to implement the processing of the choke groove on the flange 601 of the waveguide device 6 as shown in fig. 3, wherein the flange positioning and clamping mechanism includes a top plate 1, a bottom plate 2, and side plates 3, the top plate 1 and the bottom plate 2 are respectively plate structures having a certain thickness and arranged in parallel at intervals, the side plates 3 are preferably two, each side plate is correspondingly connected with the top plate 1 and the bottom plate 2, so as to form a frame structure as shown in fig. 1, and an accommodating space capable of accommodating the waveguide device 6 is formed between the top plate 1 and the bottom plate 2.
Further, in the preferred embodiment, the end surface of the top plate 1 facing the bottom plate 2 is provided with a positioning groove 101 with a certain size, so that the flange 601 to be processed for the waveguide device 6 can be correspondingly accommodated in the positioning groove 101, the positioning groove 101 in the preferred embodiment may further preferably have a square groove structure, and of course, the positioning groove 101 may also preferably have another form according to actual needs, such as a circular groove, an elliptical groove, or a polygonal groove; further, a position-limiting groove 102 with a certain depth is coaxially formed on the bottom surface of the positioning groove 101 corresponding to the flange 601, that is, the position-limiting groove 102 is arranged at the center of the bottom surface of the positioning groove 101, and the bottom surface of the position-limiting groove 102 is parallel to the bottom surface of the positioning groove 101, and of course, the position-limiting groove 102 may also be formed at a position deviating from the center of the positioning groove 101, that is, the axis of the position-limiting groove 102 does not coincide with the axis of the positioning.
More specifically, the limiting groove 102 in the preferred embodiment is configured to correspond to the size and the contour of the flange 601, and is preferably configured to be a square groove structure as shown in fig. 2, so as to correspond to the outer contour of the flange 601, and the opening depth of the limiting groove 102 is not greater than the thickness of the flange 601, then the flange 601 can be correspondingly embedded into the limiting groove 102 to achieve limiting, the surface to be processed of the flange 601 embedded into the limiting groove 102 abuts against the bottom surface of the limiting groove 102, and the side wall surface of the flange 601 abuts against the inner circumferential side wall surface of the limiting groove 102, so as to achieve limiting of the flange 601 in the limiting groove 102.
Further, a processing hole 103 penetrating through the other side end surface of the top plate 1 is coaxially formed in the limiting groove 102 corresponding to the surface to be processed of the flange 601, and the size of the processing hole is set corresponding to the size of the choke groove, so that a milling cutter of a milling machine can correspondingly penetrate through the processing hole 103 and complete the milling groove processing corresponding to the choke groove, the processing hole 103 in the preferred embodiment is a circular through hole, and of course, the processing hole can also be set to other hole shapes such as a square hole, an oval hole and the like according to actual needs.
Furthermore, a plurality of limiting assemblies 4 are arranged in the positioning groove 101 corresponding to the positioning and clamping of the flange 601, so as to clamp and fasten the flange 601 positioned in the limiting groove 102, and prevent the flange 601 from displacing and falling off in the choke groove processing process; more specifically, the limiting assembly 4 in the preferred embodiment includes a pressing plate 401 and a locking member 402, wherein the pressing plate 401 can abut against the end face of the flange 601 on the side away from the surface to be processed, and the locking member 402 locks the pressing plate 401 in the positioning groove 101, so as to realize stable limiting of the flange 601.
Further preferably, the pressing plate 401 in the preferred embodiment is of an "L-shaped" structure, and includes a pressing end and a locking end that are perpendicular to each other, the pressing end is perpendicular to the end face of the flange 601 and can abut against the end face of the flange 601, the locking end is parallel to the end face of the flange 601, and a through hole for the locking piece 402 to pass through is formed in the locking end, accordingly, the mounting hole 104 is formed on the bottom surface of the positioning groove 101 on the periphery of the limiting groove 102 corresponding to the locking piece 402, and then the locking piece 402 can pass through the through hole in the pressing plate 401 and correspondingly and matingly connect to the mounting hole 104, so that the pressing plate 401 is stably disposed in the positioning groove 101, and the flange 601 is tightly abutted against the limiting groove 102 through the end portion of the pressing end on the pressing plate 401, and stable clamping of the flange 601 in.
It is further preferable that the number of the limiting assemblies 4 arranged in the positioning groove 101 corresponding to the flange 601 is multiple, for example, two as shown in fig. 2, or more, which can be optimized according to actual needs; correspondingly, the mounting holes 104 formed in the bottom surface of the positioning groove 101 are a plurality of mounting holes formed at intervals around the periphery of the limiting groove 102, and for example, the mounting holes 104 are formed in four side wall surfaces corresponding to the limiting groove 102, so that the flange 601 can be stably clamped in the limiting groove 102 after being embedded therein.
Further preferably, the two side plates 3 and the top plate 1 can be freely detached, so that the top plate 1 can be taken down from the two side plates 3 when the flange 601 is clamped, the assembling efficiency of the flange 601 is improved, the flange choke grooves of the waveguide devices 6 with different sizes can be machined by arranging the top plates with the limiting grooves 102 and/or the positioning grooves 101 with different sizes, the compatibility and the adaptability of a flange positioning and clamping mechanism are improved, and the machining cost of the flange choke grooves is reduced; further, in the preferred embodiment, the end surfaces of the top plate 1, the bottom plate 2 and the side plate 3 are preferably ground, and the positioning groove 101 and the limiting groove 102 on the top plate 1 are preferably ground and then processed, so that the processed groove bottom is parallel to the end surfaces of the two sides of the top plate 1, the horizontal adjustment of the flange positioning and clamping mechanism on a machine tool is reduced, and the processing efficiency of the choke groove is improved; further preferably, the top plate 1, the bottom plate 2 and/or the side plate 3 are provided with pin holes and correspondingly provided with positioning pins, so that the plates can be quickly restored after being disassembled and assembled.
More specifically, the end face of the top plate 1 provided with the positioning groove 101 abuts against the side end faces of the two side plates 3, a plurality of first connecting holes penetrating through the two end faces are formed in the top plate 1 at intervals corresponding to the two side plates, second connecting holes are correspondingly formed in the side end faces of the side plates 3, then connecting pieces 5 are correspondingly arranged, the connecting pieces 5 can penetrate through the first connecting holes and are correspondingly connected in the second connecting holes, and therefore the top plate 1 and the side plates 3 are fixedly connected, and when the top plate 1 needs to be separated from the side plates 3, the connecting pieces 5 can be unscrewed; certainly, the bottom plate 2 can also be correspondingly connected with the two side plates 3 through a plurality of connecting pieces 5, and the top plate 1 can also be correspondingly connected with the two side plates 3 through other forms, such as a buckling and hinging form, so that the stable connection between the top plate 1 and the two side plates 3 can be realized, and the separation of the top plate 1 from the side plates 3 in a specific time can also be realized.
Further, the flange choke groove can be processed by using the flange positioning and clamping mechanism, and the processing steps are preferably as follows:
s1: correspondingly assembling the flange positioning and clamping mechanism on a milling machine tool (in a preferred embodiment, a vertical milling machine tool), wherein the flange positioning and clamping mechanism can be preferably installed by means of an installation pressing plate or a general vice for machining, or stably installing the bottom plate 2 on a station on the machine tool by using a connecting piece 5;
s2: adjusting the level of the top plate 1 to enable the bottom surfaces of the positioning grooves 101/limiting grooves 102 to be horizontal, and further ensuring the level of the surface to be processed of the flange 601;
s3: taking the waveguide device 6 which is brazed and processed on the flange surface, wherein the waveguide device 6 in the preferred embodiment is a rectangular waveguide device, the brazing of the metal pipe 602 and the flange 601 is completed, the processing of the flange surface of the surface to be processed of the choke groove is also completed, namely the thickness of the flange is processed to the corresponding size, and the condition that a large number of burrs exist in the choke groove caused by the processing of the flange surface after the processing of the choke groove is completed is avoided;
s4: correspondingly embedding the flange 601 into the limiting groove 102 on the top plate 1, enabling the surface to be processed of the flange to abut against the bottom surface of the limiting groove 102, enabling the inner wall surface of the flange to abut against the inner peripheral wall surface of the limiting groove 102, further arranging a plurality of limiting components 4 corresponding to the flange 601, correspondingly pressing the flange 601 in the limiting groove 102 by using the pressing plate 401, and locking by using the locking piece 402, thereby completing clamping of the flange 601 in the limiting groove 102, wherein the number of the limiting components 4 is two in the preferred embodiment;
s5: determining the center of a waveguide port of the flange 601, wherein in the preferred embodiment, the center position of the flange 601 can be determined by adopting a probe mode, then the position of a milling cutter is adjusted by using the center position, and then the milling cutter is controlled to correspondingly process a choke groove;
s6: after the completion of the processing of the choke groove, each of the stopper members 4 is removed, and the flange 601 is taken out of the stopper groove 102, thereby completing the processing of the flange choke groove of the waveguide device 6.
The flange positioning and clamping mechanism has the advantages of compact structure, convenience in operation, simplicity in flange clamping method and choke groove processing method, capability of being directly used for processing the choke groove of the brazed waveguide device, simplicity and convenience in flange positioning and clamping, high accuracy, difficulty in deviation or vibration of the flange in the processing process, improvement of processing precision and processing efficiency of the choke groove, avoidance of processing errors or processing burrs possibly occurring in the traditional processing process, reduction of deformation and damage of processing equipment, guarantee of normal use of the waveguide device, and good use value and popularization value.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A milling method for a flange choke groove of a waveguide device is realized by utilizing a flange positioning and clamping mechanism and a milling machine tool, wherein the flange positioning and clamping mechanism can be correspondingly fixed on a processing platform of the milling machine tool, and a processing cutter of the milling machine tool can be aligned to a flange surface so as to complete milling of the choke groove;
the flange positioning and clamping mechanism comprises a top plate (1) and a bottom plate (2) which are arranged in parallel, and the two plates are correspondingly spliced and connected into a frame structure capable of containing a waveguide device (6) through two oppositely arranged side plates (3); the end face, opposite to the bottom plate (2), of the top plate (1) is provided with a positioning groove (101) with a certain depth, the bottom of the positioning groove (101) is correspondingly provided with a limiting groove (102), and the limiting groove (102) is arranged corresponding to a flange (601) at the end part of the waveguide device, so that the flange (601) can be correspondingly accommodated in the limiting groove (102), and the flange surface of a choke groove to be processed of the flange (601) is abutted against the bottom of the limiting groove (102); a plurality of limiting assemblies (4) are arranged in the positioning groove (101) corresponding to the flange (601), the limiting assemblies (4) can abut against the end surface of one side, away from the flange surface, of the flange (601), and press the flange (601) in the limiting groove (102); a processing hole (103) penetrating through the end face of the other side of the top plate (1) is coaxially formed in the limiting groove (102), so that a cutter for processing the choke groove can correspondingly penetrate through the processing hole (103) and act on the end face to be processed of the flange (601);
the choke groove of the flange (601) is processed by the following steps:
s1: assembling the flange positioning and clamping mechanism on the milling machine tool, and adjusting the level of the top plate (1);
s2: correspondingly accommodating a waveguide device to be processed into the choke groove into the positioning groove (101), and fastening and positioning the flange (601) embedded into the limiting groove (102) by using a plurality of limiting components (4);
s3: determining the center of a waveguide port of the flange (601), namely determining the center position of the flange face;
s4: and controlling the feed of the processing cutter and finishing the milling processing of the choke groove.
2. The flange choke groove milling method of a waveguide device according to claim 1, wherein the stopper groove (102) and the positioning groove (101) are coaxially arranged such that a center line of the stopper groove (102) coincides with a center line of the positioning groove (101).
3. The flange choke groove milling method of a waveguide device according to claim 1, wherein said stopper member (4) comprises a pressing plate (401) and a locking member (402), said pressing plate (401) may abut an end surface of said flange (601) at one side end portion thereof and be locked by said locking member (402).
4. The method for milling a flange choke groove of a waveguide device as claimed in claim 3, wherein said pressing plate (401) is an "L-shaped" plate structure, which includes a pressing end and a locking end, wherein said pressing end is perpendicular to the end surface of said flange (601) and can abut against the end surface of said flange (601), said locking end is parallel to the end surface of said flange (601), and a through hole is opened on said locking end corresponding to said locking piece (402), correspondingly, a plurality of mounting holes (104) are opened on the bottom of said positioning groove (101) corresponding to said through hole, and said locking piece (402) can pass through said through hole and be fittingly connected in said corresponding mounting hole (104).
5. The method for milling the flange choke groove of the waveguide device according to any one of claims 1 to 4, wherein the top plate (1) and the two side plates (3) are correspondingly connected through a plurality of connecting pieces (5), and the connecting pieces (5) can be freely detached to realize quick connection or separation of the top plate (1) and the two side plates (3).
6. The method for milling the flange choke groove of the waveguide device according to any one of claims 1 to 4, wherein the limiting groove (102) is a square groove, and accordingly, the outer profile of the flange (601) is square.
7. The method for milling the flange choke groove of the waveguide device according to any one of claims 1 to 4, wherein the depth of the limiting groove (102) is not greater than the thickness of the flange (601).
8. The flange choke groove milling method of a waveguide device according to claim 6, wherein the positioning groove (101) is a square groove.
9. The method for milling the flange choke groove of the waveguide device according to claim 1, wherein the waveguide device (6) is processed on the flange surface before the choke groove is processed, i.e. the thickness of the flange (601) is processed to a required size.
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| CN202367505U (en) * | 2011-12-23 | 2012-08-08 | 洛阳轴研科技股份有限公司 | Tooling for processing inside diameter size of annular workpiece |
| CN103056698A (en) * | 2013-01-29 | 2013-04-24 | 昌辉汽车电器（黄山）股份公司 | Turning fixture |
| CN104289943A (en) * | 2014-10-30 | 2015-01-21 | 芜湖杰诺科技有限公司 | Clamp for processing end face of valve |
| CN205968269U (en) * | 2016-07-15 | 2017-02-22 | 沪东重机有限公司 | A disposable positioning fixture for large flange processing |
| CN106078277A (en) * | 2016-08-26 | 2016-11-09 | 广西玉柴机器股份有限公司 | Fluting processing tool in the middle of a kind of thin aluminum sheet |
| CN206519755U (en) * | 2016-12-22 | 2017-09-26 | 沪东重机有限公司 | The positioning tool processed for marine diesel round flange |
| CN207915028U (en) * | 2017-12-28 | 2018-09-28 | 昆山日月兴机械科技有限公司 | A kind of processing jig for pump housing production |
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| CN109048426A (en) | 2018-12-21 |
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